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What is the difference between the following entry in web.config:
<sessionState timeout="30"/>
And this setting in IIS 7.5 (Default web site > Advanced Settings > Connection Limits) :
I know that the web.config is supposed to apply to the time that the ASP.NET session is kept alive, but what is the IIS setting for?
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The ConnectionTimeout property specifies the amount of time (in seconds) that the server waits before disconnecting an inactive connection. Specify a value between 1 and 65535 (0xffff). If a value outside of this range is specified, IIS uses the default of 120 seconds.
The timeout attribute specifies the number of minutes a session can be idle before it is abandoned. The default value for this attribute is 20. By assigning a value of 1 to this attribute, you've set the session to be abandoned in 1 minute after its idle.
Expand the local computer node, expand "Web Sites", right-click the appropriate website, point to "Manage Web Site", click Advanced Settings. 3.In the Advanced Settings window, expand Connection Limits, change the value in the "Connection time-out" field, and then click OK.
Adjustments to ASP.Net configuration Increase the timeout span for your web application. Add or edit the executionTimeout attribute, giving it a higher value. The default value is 110 seconds and the maximum value is 999999 seconds.
The connection timeout is how long a connection from a browser to the server should take till it times out. So, when the browser requests a page/image/resource, how long should IIS wait till it terminates the connection. It is stated in seconds.
It can also be set in the web.config (example is for 2 minutes, 120 seconds):
<limits connectionTimeout="00:02:00" />
The session timeout is how long the session can live. This is across multiple connections and is stated in minutes.
They are two different settings that control different things.
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